Which of the Following Statements About Olfaction,the Sense of Smell,in

question 25

Multiple Choice

Which of the following statements about olfaction,the sense of smell,in terrestrial vertebrates is(are) true?
I-Involved chemoreceptors are located in the upper portion of the nasal passages.
II-These receptors are bipolar neurons whose dendrites end in tassels of cilia that project into the nasal mucosa.
III-The axons of these receptors project directly into the cerebral cortex.
IV-Thousands of different smells can be discerned as opposed to only four kinds of taste.

• A)I and II
• B)II,III,and IV
• C)I,III,and IV
• D)I,II,III,and IV

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Definitions:

Blood Alcohol Level (BAL)

A measure of alcohol concentration in a person's bloodstream, used to determine intoxication levels.

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The maximum or minimum legal amount or boundary permitted for certain values or actions, often set by laws or regulations.

Cross-sectional Study

A type of observational study that analyzes data from a population, or a representative subset, at a specific point in time.

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Differences observed in a study that are due to the characteristics of the group of participants, not the effect of the experiment itself.